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Finding the Fourth Proportional to 657,072.80, 906,760.24 and 370,592.24

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Solution

The fourth proportional to 657,072.80, 906,760.24 and 370,592.24 is: 511,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,072.80 : 906,760.24 = 370,592.24 : x
  2. Step 2: Convert to fraction form
    657,072.80/906,760.24 = 370,592.24/x
  3. Step 3: Cross multiply
    657,072.80x = 906,760.24 × 370,592.24
  4. Step 4: Simplify right side
    657,072.80x = 336,038,308,484.54
  5. Step 5: Solve for x
    x = 336,038,308,484.54/657,072.80
  6. Step 6: Final answer
    x = 511,417.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.